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2021142002 = 211175404123
BaseRepresentation
bin111100001111000…
…0010110111110010
312012212010122121012
41320132002313302
513114403021002
6532320030522
7101041265165
oct17036026762
95185118535
102021142002
119479779a0
12484a62442
1326296a519
141525ddadc
15bc68bd52
hex78782df2

2021142002 has 16 divisors (see below), whose sum is σ = 3501872352. Its totient is φ = 864659520.

The previous prime is 2021141989. The next prime is 2021142031. The reversal of 2021142002 is 2002411202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2701688 + ... + 2702435.

It is an arithmetic number, because the mean of its divisors is an integer number (218867022).

Almost surely, 22021142002 is an apocalyptic number.

2021142002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2021142002 is a deficient number, since it is larger than the sum of its proper divisors (1480730350).

2021142002 is a wasteful number, since it uses less digits than its factorization.

2021142002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404153.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2021142002 is about 44957.1129188697. The cubic root of 2021142002 is about 1264.3450398807.

Adding to 2021142002 its reverse (2002411202), we get a palindrome (4023553204).

The spelling of 2021142002 in words is "two billion, twenty-one million, one hundred forty-two thousand, two".

Divisors: 1 2 11 17 22 34 187 374 5404123 10808246 59445353 91870091 118890706 183740182 1010571001 2021142002